Method and apparatus for third heart sound detection
    121.
    发明申请
    Method and apparatus for third heart sound detection 有权
    第三心音检测方法及装置

    公开(公告)号:US20090018461A1

    公开(公告)日:2009-01-15

    申请号:US12283760

    申请日:2008-09-16

    IPC分类号: A61B5/02

    CPC分类号: A61B7/04

    摘要: A cardiac rhythm management system includes a heart sound detector providing for detection of the third heart sounds (S3). An implantable sensor such as an accelerometer or a microphone senses an acoustic signal indicative heart sounds including the second heart sounds (S2) and S3. The heart sound detector detects occurrences of S2 and starts S3 detection windows each after a predetermined delay after a detected occurrence of S2. The occurrences of S3 are then detected from the acoustic signal within the S3 detection windows.

    摘要翻译: 心律管理系统包括提供检测第三心音的心音检测器(S3)。 诸如加速度计或麦克风的可植入传感器感测指示包括第二心音(S2)和S3的心音的声信号。 心音检测器检测到S2的发生,并且在检测到S2发生之后经过预定延迟之后开始S3检测窗口。 然后从S3检测窗口内的声信号检测S3的出现。

    Method and apparatus for third heart sound detection
    122.
    发明授权
    Method and apparatus for third heart sound detection 有权
    第三心音检测方法及装置

    公开(公告)号:US07431699B2

    公开(公告)日:2008-10-07

    申请号:US10746853

    申请日:2003-12-24

    IPC分类号: A61B5/02

    CPC分类号: A61B7/04

    摘要: A cardiac rhythm management system includes a heart sound detector providing for detection of the third heart sounds (S3). An implantable sensor such as an accelerometer or a microphone senses an acoustic signal indicative heart sounds including the second heart sounds (S2) and S3. The heart sound detector detects occurrences of S2 and starts S3 detection windows each after a predetermined delay after a detected occurrence of S2. The occurrences of S3 are then detected from the acoustic signal within the S3 detection windows.

    摘要翻译: 心律管理系统包括用于检测第三心音的心音检测器(S 3)。 诸如加速度计或麦克风的可植入传感器感测到指示包括第二心音(S 2)和S 3的心音的声信号。 心音检测器检测到S 2的发生,并且在检测到的S 2发生之后,在预定延迟之后开始S 3检测窗口。 然后从S 3检测窗口内的声信号检测出S 3的出现。